Home / 26,757.96-40,137.34-12,719.42

Finding the Fourth Proportional to 26,757.96, 40,137.34 and 12,719.42

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Solution

The fourth proportional to 26,757.96, 40,137.34 and 12,719.42 is: 19,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,757.96 : 40,137.34 = 12,719.42 : x
  2. Step 2: Convert to fraction form
    26,757.96/40,137.34 = 12,719.42/x
  3. Step 3: Cross multiply
    26,757.96x = 40,137.34 × 12,719.42
  4. Step 4: Simplify right side
    26,757.96x = 510,523,685.14
  5. Step 5: Solve for x
    x = 510,523,685.14/26,757.96
  6. Step 6: Final answer
    x = 19,079.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.